﻿using System;
using System.IO;

namespace Lucene.Net.Analysis.Util
{

    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You under the Apache License, Version 2.0
     * (the "License"); you may not use this file except in compliance with
     * the License.  You may obtain a copy of the License at
     *
     *     http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */


    /// <summary>
    /// Abstraction for loading resources (streams, files, and classes).
    /// </summary>
    public interface ResourceLoader
    {

        /// <summary>
        /// Opens a named resource
        /// </summary>
        Stream OpenResource(string resource);


        /// <summary>
        /// Finds class of the name and expected type
        /// </summary>
        Type FindClass<T>(string cname, Type expectedType);

        /// <summary>
        /// Creates an instance of the name and expected type
        /// </summary>
        // TODO: fix exception handling
        T NewInstance<T>(string cname, Type expectedType);
    }
}